Module:Citation/CS1/Date validation: Difference between revisions

Jump to navigation Jump to search

Module:Citation/CS1/Date validation (view source)

Revision as of 14:11, 22 January 2022

1,509 bytes added ,  22 January 2022
update per RfC;
m (1 revision imported)
en>Trappist the monk
(update per RfC;)
Line 1: Line 1:
--[[--------------------------< F O R W A R D  D E C L A R A T I O N S >--------------------------------------
--[[--------------------------< F O R W A R D  D E C L A R A T I O N S >--------------------------------------
]]
]]


local add_prop_cat, is_set, in_array, wrap_style; -- imported functions from selected Module:Citation/CS1/Utilities
local add_prop_cat, is_set, in_array, set_message, substitute, wrap_style; -- imported functions from selected Module:Citation/CS1/Utilities
local cfg; -- table of tables imported from selected Module:Citation/CS1/Configuration
local cfg; -- table of tables imported from selected Module:Citation/CS1/Configuration


Line 44: Line 43:
if good1 and good2 then -- lang.formatDate() returns a timestamp in the local script which which tonumber() may not understand
if good1 and good2 then -- lang.formatDate() returns a timestamp in the local script which which tonumber() may not understand
access_ts = tonumber (access_ts) or lang_object:parseFormattedNumber (access_ts); -- convert to numbers for the comparison;
access_ts = tonumber (access_ts) or lang_object:parseFormattedNumber (access_ts); -- convert to numbers for the comparison;
tomorrow_ts = tonumber (tomorrow_ts) or lang_object:parseFormattedNumber (tomorrow_ts);
tomorrow_ts = tonumber (tomorrow_ts) or lang_object:parseFormattedNumber (tomorrow_ts);
else
else
Line 55: Line 54:
return false; -- accessdate out of range
return false; -- accessdate out of range
end
end
end
--[[--------------------------< I S _ V A L I D _ E M B A R G O _ D A T E >------------------------------------
returns true and date value if that value has proper dmy, mdy, ymd format.
returns false and 9999 (embargoed forever) when date value is not proper format; assumes that when |pmc-embargo-date= is
set, the editor intended to embargo a PMC but |pmc-embargo-date= does not hold a single date.
]]
local function is_valid_embargo_date (v)
if v:match ('^%d%d%d%d%-%d%d%-%d%d$') or -- ymd
v:match ('^%d%d?%s+%a+%s+%d%d%d%d$') or -- dmy
v:match ('^%a+%s+%d%d?%s*,%s*%d%d%d%d$') then -- mdy
return true, v;
end
return false, '9999'; -- if here not good date so return false and set embargo date to long time in future
end
end


Line 85: Line 65:


local function get_month_number (month)
local function get_month_number (month)
return cfg.date_names['local'].long[month] or cfg.date_names['local'].short[month] or -- look for local names first
return cfg.date_names['local'].long[month] or cfg.date_names['local'].short[month] or -- look for local names first
cfg.date_names['en'].long[month] or cfg.date_names['en'].short[month] or -- failing that, look for English names
cfg.date_names['en'].long[month] or cfg.date_names['en'].short[month] or -- failing that, look for English names
0; -- not a recognized month name
0; -- not a recognized month name
end
end


Line 102: Line 82:
which became part of ISO 8601 in 2019.  See '§Sub-year groupings'.  The standard defines various divisions using
which became part of ISO 8601 in 2019.  See '§Sub-year groupings'.  The standard defines various divisions using
numbers 21-41.  cs1|2 only supports generic seasons.  EDTF does support the distinction between north and south
numbers 21-41.  cs1|2 only supports generic seasons.  EDTF does support the distinction between north and south
hemispere seasons but cs1|2 has no way to make that distinction.
hemisphere seasons but cs1|2 has no way to make that distinction.


These additional divisions not currently supported:
These additional divisions not currently supported:
Line 195: Line 175:
Function gets current year from the server and compares it to year from a citation parameter.  Years more than one
Function gets current year from the server and compares it to year from a citation parameter.  Years more than one
year in the future are not acceptable.
year in the future are not acceptable.
Special case for |pmc-embargo-date=: years more than two years in the future are not acceptable


]]
]]


local function is_valid_year (year)
local function is_valid_year (year, param)
if not is_set(year_limit) then
if not is_set (year_limit) then
year_limit = tonumber(os.date("%Y"))+1; -- global variable so we only have to fetch it once
year_limit = tonumber(os.date("%Y"))+1; -- global variable so we only have to fetch it once
end
end


year = tonumber (year) or lang_object:parseFormattedNumber (year); -- convert to numbers for the comparison;
year = tonumber (year) or lang_object:parseFormattedNumber (year); -- convert to number for the comparison;
if 'pmc-embargo-date' == param then -- special case for |pmc-embargo-date=
return year and (year <= tonumber(os.date("%Y"))+2) or false; -- years more than two years in the future are not accepted
end
return year and (year <= year_limit) or false;
return year and (year <= year_limit) or false;
end
end
Line 219: Line 205:
]]
]]


local function is_valid_date (year, month, day)
local function is_valid_date (year, month, day, param)
local days_in_month = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
local days_in_month = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
local month_length;
local month_length;
if not is_valid_year(year) then -- no farther into the future than next year
if not is_valid_year (year, param) then -- no farther into the future than next year except |pmc-embargo-date= no more than two years in the future
return false;
return false;
end
end
month = tonumber(month); -- required for YYYY-MM-DD dates
month = tonumber (month); -- required for YYYY-MM-DD dates
if (2 == month) then -- if February
if (2 == month) then -- if February
month_length = 28; -- then 28 days unless
month_length = 28; -- then 28 days unless
if 1582 > tonumber(year) then -- Julian calendar
if 1582 > tonumber(year) then -- Julian calendar
if 0 == (year%4) then -- is a leap year?
if 0 == (year%4) then -- is a leap year?
month_length = 29; -- if leap year then 29 days in February
month_length = 29; -- if leap year then 29 days in February
end
end
else -- Gregorian calendar
else -- Gregorian calendar
if (0 == (year%4) and (0 ~= (year%100) or 0 == (year%400))) then -- is a leap year?
if (0 == (year%4) and (0 ~= (year%100) or 0 == (year%400))) then -- is a leap year?
month_length = 29; -- if leap year then 29 days in February
month_length = 29; -- if leap year then 29 days in February
end
end
Line 253: Line 239:


Months in a range are expected to have the same style: Jan–Mar or October–December but not February–Mar or Jul–August.  
Months in a range are expected to have the same style: Jan–Mar or October–December but not February–Mar or Jul–August.  
There is a special test for May because it can be either short or long form.
This function looks in cfg.date_names{} to see if both month names are listed in the long subtable or both are
 
listed in the short subtable. When both have the same style (both are listed in the same table), returns true; false else
Returns true when style for both months is the same


]]
]]


local function is_valid_month_range_style (month1, month2)
local function is_valid_month_range_style (month1, month2)
local len1 = month1:len();
if (cfg.date_names.en.long[month1] and cfg.date_names.en.long[month2]) or -- are both English names listed in the long subtable?
local len2 = month2:len();
(cfg.date_names.en.short[month1] and cfg.date_names.en.short[month2]) or -- are both English names listed in the short subtable?
if len1 == len2 then
(cfg.date_names['local'].long[month1] and cfg.date_names['local'].long[month2]) or -- are both local names listed in the long subtable?
return true; -- both months are short form so return true
(cfg.date_names['local'].short[month1] and cfg.date_names['local'].short[month2]) then -- are both local names listed in the short subtable?
elseif 'May' == month1 or 'May'== month2 then -- ToDo: I18N
return true;
return true; -- both months are long form so return true
elseif 3 == len1 or 3 == len2 then
return false; -- months are mixed form so return false
else
return true; -- both months are long form so return true
end
end
return false; -- names are mixed
end
end


Line 299: Line 280:
-- here when range_start is a month
-- here when range_start is a month
range_end_number = get_month_number (range_end); -- get end month number
range_end_number = get_month_number (range_end); -- get end month number
if range_start_number < range_end_number then -- range_start is a month; does range_start precede range_end?
if range_start_number < range_end_number and -- range_start is a month; does range_start precede range_end?
if is_valid_month_range_style (range_start, range_end) then -- do months have the same style?
is_valid_month_range_style (range_start, range_end) then -- do months have the same style?
return true; -- proper order and same style
return true; -- proper order and same style
end
end
end
return false; -- range_start month number is greater than or equal to range end number; or range end isn't a month
return false; -- range_start month number is greater than or equal to range end number; or range end isn't a month
Line 429: Line 409:
['dMy'] = {'^([1-9]%d?) +(%D-) +((%d%d%d%d?)%a?)$', 'd', 'm', 'a', 'y'},
['dMy'] = {'^([1-9]%d?) +(%D-) +((%d%d%d%d?)%a?)$', 'd', 'm', 'a', 'y'},
-- year-initial: year month day; day: 1 or 2 two digits, leading zero allowed; not supported at en.wiki
-- year-initial: year month day; day: 1 or 2 two digits, leading zero allowed; not supported at en.wiki
-- ['yMd'] = {'^((%d%d%d%d?)%a?) +(%D-) +(%d%d?)$', 'a', 'y', 'm', 'd'},
-- ['yMd'] = {'^((%d%d%d%d?)%a?) +(%D-) +(%d%d?)$', 'a', 'y', 'm', 'd'},
-- day-range-initial: day–day month year; days are separated by endash
-- day-range-initial: day–day month year; days are separated by endash
['d-dMy'] = {'^([1-9]%d?)[%-–]([1-9]%d?) +(%D-) +((%d%d%d%d)%a?)$', 'd', 'd2', 'm', 'a', 'y'},
['d-dMy'] = {'^([1-9]%d?)[%-–]([1-9]%d?) +(%D-) +((%d%d%d%d)%a?)$', 'd', 'd2', 'm', 'a', 'y'},
Line 456: Line 436:
['y'] = {'^((%d%d%d%d?)%a?)$'}, -- year; here accept either YYY or YYYY
['y'] = {'^((%d%d%d%d?)%a?)$'}, -- year; here accept either YYY or YYYY
}
}
--[[--------------------------< I S _ V A L I D _ E M B A R G O _ D A T E >------------------------------------
returns true and date value if that value has proper dmy, mdy, ymd format.
returns false and 9999 (embargoed forever) when date value is not proper format; assumes that when |pmc-embargo-date= is
set, the editor intended to embargo a PMC but |pmc-embargo-date= does not hold a single date.
]]
local function is_valid_embargo_date (v)
if v:match (patterns['ymd'][1]) or -- ymd
v:match (patterns['Mdy'][1]) or -- dmy
v:match (patterns['dMy'][1]) then -- mdy
return true, v;
end
return false, '9999'; -- if here not good date so return false and set embargo date to long time in future
end




Line 482: Line 481:
local function check_date (date_string, param, tCOinS_date)
local function check_date (date_string, param, tCOinS_date)
local year; -- assume that year2, months, and days are not used;
local year; -- assume that year2, months, and days are not used;
local year2 = 0; -- second year in a year range
local year2 = 0; -- second year in a year range
local month = 0;
local month = 0;
local month2 = 0; -- second month in a month range
local month2 = 0; -- second month in a month range
local day = 0;
local day = 0;
local day2 = 0; -- second day in a day range
local day2 = 0; -- second day in a day range
Line 562: Line 561:
month, year, century, anchor_year, year2 = mw.ustring.match(date_string, patterns['Sy4-y2'][1]);
month, year, century, anchor_year, year2 = mw.ustring.match(date_string, patterns['Sy4-y2'][1]);
if 'Winter' ~= month and 'Summer' ~= month then return false end; -- 'month' can only be Winter or Summer
if 'Winter' ~= month and 'Summer' ~= month then return false end; -- 'month' can only be Winter or Summer
anchor_year = year .. '–' .. anchor_year; -- assemble anchor_year from both years
anchor_year = year .. '–' .. anchor_year; -- assemble anchor_year from both years
year2 = century..year2; -- add the century to year2 for comparisons
year2 = century..year2; -- add the century to year2 for comparisons
if 1 ~= tonumber(year2) - tonumber(year) then return false; end -- must be sequential years, left to right, earlier to later
if 1 ~= tonumber(year2) - tonumber(year) then return false; end -- must be sequential years, left to right, earlier to later
Line 578: Line 577:
elseif mw.ustring.match(date_string, patterns['My-My'][1]) then -- month/season year - month/season year; separated by spaced endash
elseif mw.ustring.match(date_string, patterns['My-My'][1]) then -- month/season year - month/season year; separated by spaced endash
month, year, month2, anchor_year, year2 = mw.ustring.match(date_string, patterns['My-My'][1]);
month, year, month2, anchor_year, year2 = mw.ustring.match(date_string, patterns['My-My'][1]);
anchor_year = year .. '–' .. anchor_year; -- assemble anchor_year from both years
anchor_year = year .. '–' .. anchor_year; -- assemble anchor_year from both years
if tonumber(year) >= tonumber(year2) then return false; end -- left to right, earlier to later, not the same
if tonumber(year) >= tonumber(year2) then return false; end -- left to right, earlier to later, not the same
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
Line 612: Line 611:
elseif mw.ustring.match(date_string, patterns['y-y'][1]) then -- Year range: YYY-YYY or YYY-YYYY or YYYY–YYYY; separated by unspaced endash; 100-9999
elseif mw.ustring.match(date_string, patterns['y-y'][1]) then -- Year range: YYY-YYY or YYY-YYYY or YYYY–YYYY; separated by unspaced endash; 100-9999
year, anchor_year, year2 = mw.ustring.match(date_string, patterns['y-y'][1]);
year, anchor_year, year2 = mw.ustring.match(date_string, patterns['y-y'][1]);
anchor_year = year .. '–' .. anchor_year; -- assemble anchor year from both years
anchor_year = year .. '–' .. anchor_year; -- assemble anchor year from both years
if tonumber(year) >= tonumber(year2) then return false; end -- left to right, earlier to later, not the same
if tonumber(year) >= tonumber(year2) then return false; end -- left to right, earlier to later, not the same
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
Line 619: Line 618:
local century;
local century;
year, century, anchor_year, year2 = mw.ustring.match(date_string, patterns['y4-y2'][1]);
year, century, anchor_year, year2 = mw.ustring.match(date_string, patterns['y4-y2'][1]);
anchor_year = year .. '–' .. anchor_year; -- assemble anchor year from both years
anchor_year = year .. '–' .. anchor_year; -- assemble anchor year from both years


if in_array (param, {'date', 'publication-date', 'year'}) then
if in_array (param, {'date', 'publication-date', 'year'}) then
add_prop_cat ('year_range_abbreviated');
add_prop_cat ('year-range-abbreviated');
end
end


Line 630: Line 629:
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year
if not is_valid_year(year2) then return false; end -- no year farther in the future than next year


elseif mw.ustring.match(date_string, patterns['y'][1]) then -- year; here accept either YYY or YYYY
elseif mw.ustring.match(date_string, patterns['y'][1]) then -- year; here accept either YYY or YYYY
anchor_year, year = mw.ustring.match(date_string, patterns['y'][1]);
anchor_year, year = mw.ustring.match(date_string, patterns['y'][1]);
if false == is_valid_year(year) then
if false == is_valid_year(year) then
Line 653: Line 652:
local result=true; -- check whole dates for validity; assume true because not all dates will go through this test
local result=true; -- check whole dates for validity; assume true because not all dates will go through this test
if 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 == month2 and 0 == day2 then -- YMD (simple whole date)
if 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 == month2 and 0 == day2 then -- YMD (simple whole date)
result = is_valid_date(year, month, day);
result = is_valid_date (year, month, day, param); -- <param> for |pmc-embargo-date=


elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 == month2 and 0 ~= day2 then -- YMD-d (day range)
elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 == month2 and 0 ~= day2 then -- YMD-d (day range)
result = is_valid_date(year, month, day);
result = is_valid_date (year, month, day);
result = result and is_valid_date(year, month, day2);
result = result and is_valid_date (year, month, day2);


elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 ~= month2 and 0 ~= day2 then -- YMD-md (day month range)
elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 == year2 and 0 ~= month2 and 0 ~= day2 then -- YMD-md (day month range)
result = is_valid_date(year, month, day);
result = is_valid_date (year, month, day);
result = result and is_valid_date(year, month2, day2);
result = result and is_valid_date (year, month2, day2);


elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 ~= year2 and 0 ~= month2 and 0 ~= day2 then -- YMD-ymd (day month year range)
elseif 0 ~= year and 0 ~= month and 0 ~= day and 0 ~= year2 and 0 ~= month2 and 0 ~= day2 then -- YMD-ymd (day month year range)
Line 718: Line 717:
good_date, anchor_year, COinS_date = true, v.val:match("((%d+)%a?)");
good_date, anchor_year, COinS_date = true, v.val:match("((%d+)%a?)");
end
end
elseif 'pmc-embargo-date' == k then -- if the parameter is |pmc-embargo-date=
elseif 'pmc-embargo-date' == k then -- if the parameter is |pmc-embargo-date=
good_date = check_date (v.val, k); -- go test the date
good_date = check_date (v.val, k); -- go test the date
if true == good_date then -- if the date is a valid date
if true == good_date then -- if the date is a valid date
good_date, embargo_date = is_valid_embargo_date (v.val); -- is |pmc-embargo-date= date a single dmy, mdy, or ymd formatted date? yes: returns embargo; no: returns 9999
good_date, embargo_date = is_valid_embargo_date (v.val); -- is |pmc-embargo-date= date a single dmy, mdy, or ymd formatted date? yes: returns embargo date; no: returns 9999
end
end
else -- any other date-holding parameter
else -- any other date-holding parameter
Line 737: Line 736:
--[[--------------------------< Y E A R _ D A T E _ C H E C K >------------------------------------------------
--[[--------------------------< Y E A R _ D A T E _ C H E C K >------------------------------------------------


Compare the value provided in |year= with the year value(s) provided in |date=.  This function returns a numeric value:
Compare the value provided in |year= with the year value(s) provided in |date=.  This function sets a local numeric value:
0 - year value does not match the year value in date
0 - year value does not match the year value in date
1 - (default) year value matches the year value in date or one of the year values when date contains two years
1 - (default) year value matches the year value in date or one of the year values when date contains two years
2 - year value matches the year value in date when date is in the form YYYY-MM-DD and year is disambiguated (|year=YYYYx)
2 - year value matches the year value in date when date is in the form YYYY-MM-DD and year is disambiguated (|year=YYYYx)
the numeric value in <result> determines the 'output' if any from this function:
0 – adds error message to error_list sequence table
1 – adds maint cat
2 – does nothing


]]
]]


local function year_date_check (year_string, date_string)
local function year_date_check (year_string, year_origin, date_string, date_origin, error_list)
local year;
local year;
local date1;
local date1;
local date2;
local date2;
local result = 1; -- result of the test; assume that the test passes
local result = 1; -- result of the test; assume that the test passes
 
year = year_string:match ('(%d%d%d%d?)');
year = year_string:match ('(%d%d%d%d?)');


Line 780: Line 784:
result = 0;
result = 0;
end
end
else
else -- should never get here; this function called only when no other date errors
result = 0; -- no recognizable year in date
result = 0; -- no recognizable year in date
end
end
return result;
 
if 0 == result then -- year / date mismatch
table.insert (error_list, substitute (cfg.messages['mismatch'], {year_origin, date_origin})); -- add error message to error_list sequence table
elseif 1 == result then -- redundant year / date
set_message ('maint_date_year'); -- add a maint cat
end
end
end


Line 819: Line 828:
['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
},
},
['Mdy'] = { -- date format is Mdy; reformat to:
['Mdy'] = { -- date format is Mdy; reformat to:
Line 825: Line 834:
['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
},
},
['dMy'] = { -- date format is dMy; reformat to:
['dMy'] = { -- date format is dMy; reformat to:
Line 831: Line 840:
['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
-- ['yMd'] = {'%s %s %s', 'y', 'm', 'd'}, -- |df=yMd; not supported at en.wiki
},
},
['Md-dy'] = { -- date format is Md-dy; reformat to:
['Md-dy'] = { -- date format is Md-dy; reformat to:
Line 866: Line 875:
['any'] = {'%s %s', 'm', 'y'}, -- dmy/mdy agnostic
['any'] = {'%s %s', 'm', 'y'}, -- dmy/mdy agnostic
},
},
-- ['yMd'] = { -- not supported at en.wiki
-- ['yMd'] = { -- not supported at en.wiki
-- ['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
-- ['mdy'] = {'%s %s, %s', 'm', 'd', 'y'}, -- |df=mdy
-- ['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
-- ['dmy'] = {'%s %s %s', 'd', 'm', 'y'}, -- |df=dmy
-- ['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
-- ['ymd'] = {'%s-%s-%s', 'y', 'm', 'd'}, -- |df=ymd
-- },
-- },
}
}


Line 887: Line 896:
end
end


-- yMd is not supported at en.wiki
-- yMd is not supported at en.wiki; when yMd is supported at your wiki, uncomment the next line
-- if yMd is supported at your wiki, uncomment the next line
-- if 'yMd' == format_param and in_array (pattern_idx, {'yMd', 'Md-dy', 'd-dMy', 'dM-dMy', 'Md-Mdy', 'dMy-dMy', 'Mdy-Mdy'}) then -- these formats not convertable; yMd not supported at en.wiki
-- if 'yMd' == format_param and in_array (pattern_idx, {'yMd', 'Md-dy', 'd-dMy', 'dM-dMy', 'Md-Mdy', 'dMy-dMy', 'Mdy-Mdy'}) then -- these formats not convertable; yMd not supported at en.wiki
if 'yMd' == format_param then -- yMd not supported at en.wiki; when yMd is supported at your wiki, remove or comment-out this line
-- if yMd is supported at your wiki, remove or comment-out the next line
if 'yMd' == format_param then -- yMd not supported at en.wiki
return; -- not a reformattable date
return; -- not a reformattable date
end
end
Line 920: Line 927:
t.d = t.d:gsub ('0(%d)', '%1'); -- strip leading '0' from day if present
t.d = t.d:gsub ('0(%d)', '%1'); -- strip leading '0' from day if present
elseif 'ymd' == format_param then -- when converting to ymd
elseif 'ymd' == format_param then -- when converting to ymd
if 1582 > tonumber(t.y) then -- ymd format dates not allowed before 1582
t.y = t.y:gsub ('%a', ''); -- strip CITREF disambiguator if present; anchor year already known so process can proceed; TODO: maint message?
if 1582 > tonumber (t.y) then -- ymd format dates not allowed before 1582
return;
return;
end
end
Line 1,017: Line 1,025:
end -- if
end -- if
end -- for
end -- for
return result; -- declare boolean result and done
return result; -- declare boolean result and done
end
end


Line 1,034: Line 1,042:
local n;
local n;
for param_name, param_val in pairs(date_parameters_list) do -- for each date-holding parameter in the list
for param_name, param_val in pairs(date_parameters_list) do -- for each date-holding parameter in the list
if is_set (param_val.val) then
if is_set (param_val.val) and
if not mw.ustring.match (param_val.val, '%d%d%d%d%-%d%d%-%d%d') then -- for those that are not ymd dates (ustring because here digits may not be Western)
not mw.ustring.match (param_val.val, patterns.ymd[1]) then -- for those that are not ymd dates (ustring because here digits may not be Western)
param_val.val, n = param_val.val:gsub ('%-', '–'); -- replace any hyphen with ndash
param_val.val, n = param_val.val:gsub ('%-', '–'); -- replace any hyphen with ndash
if 0 ~= n then
if 0 ~= n then
Line 1,041: Line 1,049:
result = true;
result = true;
end
end
end
end
end
end
end
Line 1,093: Line 1,100:
return modified;
return modified;
end
end




Line 1,106: Line 1,113:
is_set = utilities_page_ptr.is_set;
is_set = utilities_page_ptr.is_set;
in_array = utilities_page_ptr.in_array;
in_array = utilities_page_ptr.in_array;
-- set_message = utilities_page_ptr.set_message;
set_message = utilities_page_ptr.set_message;
substitute = utilities_page_ptr.substitute;
wrap_style = utilities_page_ptr.wrap_style;
wrap_style = utilities_page_ptr.wrap_style;


Anonymous user
Retrieved from "https://wiki.historyhelper.com.au/index.php?title=Special:MobileDiff/2124"

Navigation menu